Beijing

CHINA is building underground caverns capable of holding up to a quarter of its expanded strategic oil reserves by 2020, as it looks for new storage methods away from expensive and exposed above-ground tanks in crowded coastal regions.

In a move to improve its energy security and take advantage of cheap oil, China is spending billions of dollars to build up strategic petroleum reserves (SPR) to meet up to 90 days' worth of net import demand in case of a disruption.